aj sad aj sad
aj sad aj sad .
ä j WORD_BOUNDARY s̪̻ ä d̪̻ WORD_BOUNDARY ä j WORD_BOUNDARY s̪̻ ä d̪̻ WORD_BOUNDARY
a j WORD_BOUNDARY s a d WORD_BOUNDARY a j WORD_BOUNDARY s a d WORD_BOUNDARY . WORD_BOUNDARY